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![Jakub Narebski](/assets/img/avatar_default.png)
Currently start/restart does not generate any configuration files for spawning a new instance. This means that $ git instaweb --http=<server> --start might pick up stale 'httpd.conf' file for a different web server (e.g. for default lighttpd when requesting apache2). This commit changes that, and makes git-instaweb generate web server config file and/or gitweb config file if don't exists. This required naming config files after the name of web server (alternate solution would be to somehow mark for which web server was config file generated). Note that web servers that embed configuration in server script file, namely webrick and plackup, and which delete "$conf" in their *_conf function, would have their config (server script) always regenerated. Note: this commit introduces a bit of code repetition (but only a few lines). Reported-by: Gurjeet Singh <singh.gurjeet@gmail.com> Signed-off-by: Jakub Narebski <jnareb@gmail.com> Acked-by: Eric Wong <normalperson@yhbt.net>
649 lines
18 KiB
Bash
Executable file
649 lines
18 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2006 Eric Wong
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#
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PERL='@@PERL@@'
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OPTIONS_KEEPDASHDASH=
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OPTIONS_SPEC="\
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git instaweb [options] (--start | --stop | --restart)
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--
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l,local only bind on 127.0.0.1
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p,port= the port to bind to
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d,httpd= the command to launch
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b,browser= the browser to launch
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m,module-path= the module path (only needed for apache2)
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Action
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stop stop the web server
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start start the web server
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restart restart the web server
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"
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. git-sh-setup
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fqgitdir="$GIT_DIR"
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local="$(git config --bool --get instaweb.local)"
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httpd="$(git config --get instaweb.httpd)"
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root="$(git config --get instaweb.gitwebdir)"
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port=$(git config --get instaweb.port)
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module_path="$(git config --get instaweb.modulepath)"
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action="browse"
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conf="$GIT_DIR/gitweb/httpd.conf"
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# Defaults:
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# if installed, it doesn't need further configuration (module_path)
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test -z "$httpd" && httpd='lighttpd -f'
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# Default is @@GITWEBDIR@@
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test -z "$root" && root='@@GITWEBDIR@@'
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# any untaken local port will do...
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test -z "$port" && port=1234
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resolve_full_httpd () {
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case "$httpd" in
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*apache2*|*lighttpd*|*httpd*)
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# yes, *httpd* covers *lighttpd* above, but it is there for clarity
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# ensure that the apache2/lighttpd command ends with "-f"
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if ! echo "$httpd" | sane_grep -- '-f *$' >/dev/null 2>&1
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then
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httpd="$httpd -f"
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fi
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;;
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*plackup*)
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# server is started by running via generated gitweb.psgi in $fqgitdir/gitweb
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full_httpd="$fqgitdir/gitweb/gitweb.psgi"
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httpd_only="${httpd%% *}" # cut on first space
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return
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;;
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*webrick*)
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# server is started by running via generated webrick.rb in
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# $fqgitdir/gitweb
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full_httpd="$fqgitdir/gitweb/webrick.rb"
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httpd_only="${httpd%% *}" # cut on first space
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return
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;;
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esac
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httpd_only="$(echo $httpd | cut -f1 -d' ')"
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if case "$httpd_only" in /*) : ;; *) which $httpd_only >/dev/null 2>&1;; esac
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then
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full_httpd=$httpd
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else
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# many httpds are installed in /usr/sbin or /usr/local/sbin
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# these days and those are not in most users $PATHs
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# in addition, we may have generated a server script
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# in $fqgitdir/gitweb.
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for i in /usr/local/sbin /usr/sbin "$root" "$fqgitdir/gitweb"
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do
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if test -x "$i/$httpd_only"
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then
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full_httpd=$i/$httpd
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return
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fi
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done
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echo >&2 "$httpd_only not found. Install $httpd_only or use" \
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"--httpd to specify another httpd daemon."
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exit 1
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fi
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}
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start_httpd () {
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if test -f "$fqgitdir/pid"; then
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say "Instance already running. Restarting..."
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stop_httpd
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fi
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# here $httpd should have a meaningful value
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resolve_full_httpd
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mkdir -p "$fqgitdir/gitweb/$httpd_only"
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conf="$fqgitdir/gitweb/$httpd_only.conf"
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# generate correct config file if it doesn't exist
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test -f "$conf" || configure_httpd
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test -f "$fqgitdir/gitweb/gitweb_config.perl" || gitweb_conf
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# don't quote $full_httpd, there can be arguments to it (-f)
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case "$httpd" in
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*mongoose*|*plackup*)
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#These servers don't have a daemon mode so we'll have to fork it
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$full_httpd "$conf" &
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#Save the pid before doing anything else (we'll print it later)
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pid=$!
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if test $? != 0; then
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echo "Could not execute http daemon $httpd."
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exit 1
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fi
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cat > "$fqgitdir/pid" <<EOF
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$pid
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EOF
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;;
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*)
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$full_httpd "$conf"
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if test $? != 0; then
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echo "Could not execute http daemon $httpd."
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exit 1
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fi
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;;
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esac
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}
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stop_httpd () {
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test -f "$fqgitdir/pid" && kill $(cat "$fqgitdir/pid")
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rm -f "$fqgitdir/pid"
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}
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httpd_is_ready () {
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"$PERL" -MIO::Socket::INET -e "
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local \$| = 1; # turn on autoflush
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exit if (IO::Socket::INET->new('127.0.0.1:$port'));
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print 'Waiting for \'$httpd\' to start ..';
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do {
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print '.';
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sleep(1);
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} until (IO::Socket::INET->new('127.0.0.1:$port'));
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print qq! (done)\n!;
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"
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}
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while test $# != 0
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do
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case "$1" in
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--stop|stop)
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action="stop"
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;;
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--start|start)
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action="start"
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;;
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--restart|restart)
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action="restart"
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;;
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-l|--local)
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local=true
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;;
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-d|--httpd)
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shift
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httpd="$1"
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;;
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-b|--browser)
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shift
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browser="$1"
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;;
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-p|--port)
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shift
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port="$1"
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;;
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-m|--module-path)
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shift
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module_path="$1"
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;;
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--)
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;;
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*)
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usage
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;;
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esac
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shift
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done
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mkdir -p "$GIT_DIR/gitweb/tmp"
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GIT_EXEC_PATH="$(git --exec-path)"
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GIT_DIR="$fqgitdir"
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GITWEB_CONFIG="$fqgitdir/gitweb/gitweb_config.perl"
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export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG
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webrick_conf () {
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# webrick seems to have no way of passing arbitrary environment
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# variables to the underlying CGI executable, so we wrap the
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# actual gitweb.cgi using a shell script to force it
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wrapper="$fqgitdir/gitweb/$httpd/wrapper.sh"
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cat > "$wrapper" <<EOF
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#!/bin/sh
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# we use this shell script wrapper around the real gitweb.cgi since
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# there appears to be no other way to pass arbitrary environment variables
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# into the CGI process
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GIT_EXEC_PATH=$GIT_EXEC_PATH GIT_DIR=$GIT_DIR GITWEB_CONFIG=$GITWEB_CONFIG
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export GIT_EXEC_PATH GIT_DIR GITWEB_CONFIG
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exec $root/gitweb.cgi
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EOF
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chmod +x "$wrapper"
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# This assumes _ruby_ is in the user's $PATH. that's _one_
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# portable way to run ruby, which could be installed anywhere, really.
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# generate a standalone server script in $fqgitdir/gitweb.
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cat >"$fqgitdir/gitweb/$httpd.rb" <<EOF
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#!/usr/bin/env ruby
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require 'webrick'
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require 'logger'
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options = {
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:Port => $port,
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:DocumentRoot => "$root",
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:Logger => Logger.new('$fqgitdir/gitweb/error.log'),
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:AccessLog => [
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[ Logger.new('$fqgitdir/gitweb/access.log'),
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WEBrick::AccessLog::COMBINED_LOG_FORMAT ]
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],
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:DirectoryIndex => ["gitweb.cgi"],
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:CGIInterpreter => "$wrapper",
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:StartCallback => lambda do
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File.open("$fqgitdir/pid", "w") { |f| f.puts Process.pid }
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end,
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:ServerType => WEBrick::Daemon,
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}
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options[:BindAddress] = '127.0.0.1' if "$local" == "true"
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server = WEBrick::HTTPServer.new(options)
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['INT', 'TERM'].each do |signal|
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trap(signal) {server.shutdown}
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end
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server.start
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EOF
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chmod +x "$fqgitdir/gitweb/$httpd.rb"
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# configuration is embedded in server script file, webrick.rb
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rm -f "$conf"
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}
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lighttpd_conf () {
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cat > "$conf" <<EOF
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server.document-root = "$root"
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server.port = $port
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server.modules = ( "mod_setenv", "mod_cgi" )
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server.indexfiles = ( "gitweb.cgi" )
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server.pid-file = "$fqgitdir/pid"
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server.errorlog = "$fqgitdir/gitweb/$httpd_only/error.log"
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# to enable, add "mod_access", "mod_accesslog" to server.modules
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# variable above and uncomment this
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#accesslog.filename = "$fqgitdir/gitweb/$httpd_only/access.log"
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setenv.add-environment = ( "PATH" => env.PATH, "GITWEB_CONFIG" => env.GITWEB_CONFIG )
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cgi.assign = ( ".cgi" => "" )
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# mimetype mapping
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mimetype.assign = (
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".pdf" => "application/pdf",
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".sig" => "application/pgp-signature",
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".spl" => "application/futuresplash",
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".class" => "application/octet-stream",
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".ps" => "application/postscript",
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".torrent" => "application/x-bittorrent",
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".dvi" => "application/x-dvi",
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".gz" => "application/x-gzip",
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".pac" => "application/x-ns-proxy-autoconfig",
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".swf" => "application/x-shockwave-flash",
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".tar.gz" => "application/x-tgz",
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".tgz" => "application/x-tgz",
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".tar" => "application/x-tar",
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".zip" => "application/zip",
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".mp3" => "audio/mpeg",
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".m3u" => "audio/x-mpegurl",
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".wma" => "audio/x-ms-wma",
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".wax" => "audio/x-ms-wax",
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".ogg" => "application/ogg",
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".wav" => "audio/x-wav",
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".gif" => "image/gif",
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".jpg" => "image/jpeg",
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".jpeg" => "image/jpeg",
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".png" => "image/png",
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".xbm" => "image/x-xbitmap",
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".xpm" => "image/x-xpixmap",
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".xwd" => "image/x-xwindowdump",
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".css" => "text/css",
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".html" => "text/html",
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".htm" => "text/html",
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".js" => "text/javascript",
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".asc" => "text/plain",
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".c" => "text/plain",
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".cpp" => "text/plain",
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".log" => "text/plain",
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".conf" => "text/plain",
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".text" => "text/plain",
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".txt" => "text/plain",
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".dtd" => "text/xml",
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".xml" => "text/xml",
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".mpeg" => "video/mpeg",
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".mpg" => "video/mpeg",
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".mov" => "video/quicktime",
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".qt" => "video/quicktime",
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".avi" => "video/x-msvideo",
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".asf" => "video/x-ms-asf",
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".asx" => "video/x-ms-asf",
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".wmv" => "video/x-ms-wmv",
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".bz2" => "application/x-bzip",
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".tbz" => "application/x-bzip-compressed-tar",
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".tar.bz2" => "application/x-bzip-compressed-tar",
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"" => "text/plain"
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)
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EOF
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test x"$local" = xtrue && echo 'server.bind = "127.0.0.1"' >> "$conf"
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}
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apache2_conf () {
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if test -z "$module_path"
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then
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test -d "/usr/lib/httpd/modules" &&
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module_path="/usr/lib/httpd/modules"
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test -d "/usr/lib/apache2/modules" &&
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module_path="/usr/lib/apache2/modules"
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fi
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bind=
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test x"$local" = xtrue && bind='127.0.0.1:'
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echo 'text/css css' > "$fqgitdir/mime.types"
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cat > "$conf" <<EOF
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ServerName "git-instaweb"
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ServerRoot "$root"
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DocumentRoot "$root"
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ErrorLog "$fqgitdir/gitweb/$httpd_only/error.log"
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CustomLog "$fqgitdir/gitweb/$httpd_only/access.log" combined
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PidFile "$fqgitdir/pid"
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Listen $bind$port
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EOF
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for mod in mime dir env log_config
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do
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if test -e $module_path/mod_${mod}.so
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then
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echo "LoadModule ${mod}_module " \
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"$module_path/mod_${mod}.so" >> "$conf"
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fi
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done
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cat >> "$conf" <<EOF
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TypesConfig "$fqgitdir/mime.types"
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DirectoryIndex gitweb.cgi
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EOF
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# check to see if Dennis Stosberg's mod_perl compatibility patch
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# (<20060621130708.Gcbc6e5c@leonov.stosberg.net>) has been applied
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if test -f "$module_path/mod_perl.so" &&
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sane_grep 'MOD_PERL' "$root/gitweb.cgi" >/dev/null
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then
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# favor mod_perl if available
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cat >> "$conf" <<EOF
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LoadModule perl_module $module_path/mod_perl.so
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PerlPassEnv GIT_DIR
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PerlPassEnv GIT_EXEC_PATH
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PerlPassEnv GITWEB_CONFIG
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<Location /gitweb.cgi>
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SetHandler perl-script
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PerlResponseHandler ModPerl::Registry
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PerlOptions +ParseHeaders
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Options +ExecCGI
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</Location>
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EOF
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else
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# plain-old CGI
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resolve_full_httpd
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list_mods=$(echo "$full_httpd" | sed 's/-f$/-l/')
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$list_mods | sane_grep 'mod_cgi\.c' >/dev/null 2>&1 || \
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if test -f "$module_path/mod_cgi.so"
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then
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echo "LoadModule cgi_module $module_path/mod_cgi.so" >> "$conf"
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else
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$list_mods | grep 'mod_cgid\.c' >/dev/null 2>&1 || \
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if test -f "$module_path/mod_cgid.so"
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then
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echo "LoadModule cgid_module $module_path/mod_cgid.so" \
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>> "$conf"
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else
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echo "You have no CGI support!"
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exit 2
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fi
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echo "ScriptSock logs/gitweb.sock" >> "$conf"
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fi
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cat >> "$conf" <<EOF
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PassEnv GIT_DIR
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PassEnv GIT_EXEC_PATH
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PassEnv GITWEB_CONFIG
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AddHandler cgi-script .cgi
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<Location /gitweb.cgi>
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Options +ExecCGI
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</Location>
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EOF
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fi
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}
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mongoose_conf() {
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cat > "$conf" <<EOF
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# Mongoose web server configuration file.
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# Lines starting with '#' and empty lines are ignored.
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# For detailed description of every option, visit
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# http://code.google.com/p/mongoose/wiki/MongooseManual
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root $root
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ports $port
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index_files gitweb.cgi
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#ssl_cert $fqgitdir/gitweb/ssl_cert.pem
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error_log $fqgitdir/gitweb/$httpd_only/error.log
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access_log $fqgitdir/gitweb/$httpd_only/access.log
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#cgi setup
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cgi_env PATH=$PATH,GIT_DIR=$GIT_DIR,GIT_EXEC_PATH=$GIT_EXEC_PATH,GITWEB_CONFIG=$GITWEB_CONFIG
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cgi_interp $PERL
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cgi_ext cgi,pl
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# mimetype mapping
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mime_types .gz=application/x-gzip,.tar.gz=application/x-tgz,.tgz=application/x-tgz,.tar=application/x-tar,.zip=application/zip,.gif=image/gif,.jpg=image/jpeg,.jpeg=image/jpeg,.png=image/png,.css=text/css,.html=text/html,.htm=text/html,.js=text/javascript,.c=text/plain,.cpp=text/plain,.log=text/plain,.conf=text/plain,.text=text/plain,.txt=text/plain,.dtd=text/xml,.bz2=application/x-bzip,.tbz=application/x-bzip-compressed-tar,.tar.bz2=application/x-bzip-compressed-tar
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EOF
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}
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plackup_conf () {
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# generate a standalone 'plackup' server script in $fqgitdir/gitweb
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# with embedded configuration; it does not use "$conf" file
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cat > "$fqgitdir/gitweb/gitweb.psgi" <<EOF
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#!$PERL
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# gitweb - simple web interface to track changes in git repositories
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# PSGI wrapper and server starter (see http://plackperl.org)
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use strict;
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use IO::Handle;
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use Plack::MIME;
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use Plack::Builder;
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use Plack::App::WrapCGI;
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use CGI::Emulate::PSGI 0.07; # minimum version required to work with gitweb
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# mimetype mapping (from lighttpd_conf)
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Plack::MIME->add_type(
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".pdf" => "application/pdf",
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".sig" => "application/pgp-signature",
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".spl" => "application/futuresplash",
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".class" => "application/octet-stream",
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".ps" => "application/postscript",
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".torrent" => "application/x-bittorrent",
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".dvi" => "application/x-dvi",
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".gz" => "application/x-gzip",
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".pac" => "application/x-ns-proxy-autoconfig",
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".swf" => "application/x-shockwave-flash",
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".tar.gz" => "application/x-tgz",
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".tgz" => "application/x-tgz",
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".tar" => "application/x-tar",
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".zip" => "application/zip",
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".mp3" => "audio/mpeg",
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".m3u" => "audio/x-mpegurl",
|
|
".wma" => "audio/x-ms-wma",
|
|
".wax" => "audio/x-ms-wax",
|
|
".ogg" => "application/ogg",
|
|
".wav" => "audio/x-wav",
|
|
".gif" => "image/gif",
|
|
".jpg" => "image/jpeg",
|
|
".jpeg" => "image/jpeg",
|
|
".png" => "image/png",
|
|
".xbm" => "image/x-xbitmap",
|
|
".xpm" => "image/x-xpixmap",
|
|
".xwd" => "image/x-xwindowdump",
|
|
".css" => "text/css",
|
|
".html" => "text/html",
|
|
".htm" => "text/html",
|
|
".js" => "text/javascript",
|
|
".asc" => "text/plain",
|
|
".c" => "text/plain",
|
|
".cpp" => "text/plain",
|
|
".log" => "text/plain",
|
|
".conf" => "text/plain",
|
|
".text" => "text/plain",
|
|
".txt" => "text/plain",
|
|
".dtd" => "text/xml",
|
|
".xml" => "text/xml",
|
|
".mpeg" => "video/mpeg",
|
|
".mpg" => "video/mpeg",
|
|
".mov" => "video/quicktime",
|
|
".qt" => "video/quicktime",
|
|
".avi" => "video/x-msvideo",
|
|
".asf" => "video/x-ms-asf",
|
|
".asx" => "video/x-ms-asf",
|
|
".wmv" => "video/x-ms-wmv",
|
|
".bz2" => "application/x-bzip",
|
|
".tbz" => "application/x-bzip-compressed-tar",
|
|
".tar.bz2" => "application/x-bzip-compressed-tar",
|
|
"" => "text/plain"
|
|
);
|
|
|
|
my \$app = builder {
|
|
# to be able to override \$SIG{__WARN__} to log build time warnings
|
|
use CGI::Carp; # it sets \$SIG{__WARN__} itself
|
|
|
|
my \$logdir = "$fqgitdir/gitweb/$httpd_only";
|
|
open my \$access_log_fh, '>>', "\$logdir/access.log"
|
|
or die "Couldn't open access log '\$logdir/access.log': \$!";
|
|
open my \$error_log_fh, '>>', "\$logdir/error.log"
|
|
or die "Couldn't open error log '\$logdir/error.log': \$!";
|
|
|
|
\$access_log_fh->autoflush(1);
|
|
\$error_log_fh->autoflush(1);
|
|
|
|
# redirect build time warnings to error.log
|
|
\$SIG{'__WARN__'} = sub {
|
|
my \$msg = shift;
|
|
# timestamp warning like in CGI::Carp::warn
|
|
my \$stamp = CGI::Carp::stamp();
|
|
\$msg =~ s/^/\$stamp/gm;
|
|
print \$error_log_fh \$msg;
|
|
};
|
|
|
|
# write errors to error.log, access to access.log
|
|
enable 'AccessLog',
|
|
format => "combined",
|
|
logger => sub { print \$access_log_fh @_; };
|
|
enable sub {
|
|
my \$app = shift;
|
|
sub {
|
|
my \$env = shift;
|
|
\$env->{'psgi.errors'} = \$error_log_fh;
|
|
\$app->(\$env);
|
|
}
|
|
};
|
|
# gitweb currently doesn't work with $SIG{CHLD} set to 'IGNORE',
|
|
# because it uses 'close $fd or die...' on piped filehandle $fh
|
|
# (which causes the parent process to wait for child to finish).
|
|
enable_if { \$SIG{'CHLD'} eq 'IGNORE' } sub {
|
|
my \$app = shift;
|
|
sub {
|
|
my \$env = shift;
|
|
local \$SIG{'CHLD'} = 'DEFAULT';
|
|
local \$SIG{'CLD'} = 'DEFAULT';
|
|
\$app->(\$env);
|
|
}
|
|
};
|
|
# serve static files, i.e. stylesheet, images, script
|
|
enable 'Static',
|
|
path => sub { m!\.(js|css|png)\$! && s!^/gitweb/!! },
|
|
root => "$root/",
|
|
encoding => 'utf-8'; # encoding for 'text/plain' files
|
|
# convert CGI application to PSGI app
|
|
Plack::App::WrapCGI->new(script => "$root/gitweb.cgi")->to_app;
|
|
};
|
|
|
|
# make it runnable as standalone app,
|
|
# like it would be run via 'plackup' utility
|
|
if (caller) {
|
|
return \$app;
|
|
} else {
|
|
require Plack::Runner;
|
|
|
|
my \$runner = Plack::Runner->new();
|
|
\$runner->parse_options(qw(--env deployment --port $port),
|
|
"$local" ? qw(--host 127.0.0.1) : ());
|
|
\$runner->run(\$app);
|
|
}
|
|
__END__
|
|
EOF
|
|
|
|
chmod a+x "$fqgitdir/gitweb/gitweb.psgi"
|
|
# configuration is embedded in server script file, gitweb.psgi
|
|
rm -f "$conf"
|
|
}
|
|
|
|
gitweb_conf() {
|
|
cat > "$fqgitdir/gitweb/gitweb_config.perl" <<EOF
|
|
#!/usr/bin/perl
|
|
our \$projectroot = "$(dirname "$fqgitdir")";
|
|
our \$git_temp = "$fqgitdir/gitweb/tmp";
|
|
our \$projects_list = \$projectroot;
|
|
|
|
\$feature{'remote_heads'}{'default'} = [1];
|
|
EOF
|
|
}
|
|
|
|
configure_httpd() {
|
|
case "$httpd" in
|
|
*lighttpd*)
|
|
lighttpd_conf
|
|
;;
|
|
*apache2*|*httpd*)
|
|
apache2_conf
|
|
;;
|
|
webrick)
|
|
webrick_conf
|
|
;;
|
|
*mongoose*)
|
|
mongoose_conf
|
|
;;
|
|
*plackup*)
|
|
plackup_conf
|
|
;;
|
|
*)
|
|
echo "Unknown httpd specified: $httpd"
|
|
exit 1
|
|
;;
|
|
esac
|
|
}
|
|
|
|
case "$action" in
|
|
stop)
|
|
stop_httpd
|
|
exit 0
|
|
;;
|
|
start)
|
|
start_httpd
|
|
exit 0
|
|
;;
|
|
restart)
|
|
stop_httpd
|
|
start_httpd
|
|
exit 0
|
|
;;
|
|
esac
|
|
|
|
gitweb_conf
|
|
|
|
resolve_full_httpd
|
|
mkdir -p "$fqgitdir/gitweb/$httpd_only"
|
|
conf="$fqgitdir/gitweb/$httpd_only.conf"
|
|
|
|
configure_httpd
|
|
|
|
start_httpd
|
|
url=http://127.0.0.1:$port
|
|
|
|
if test -n "$browser"; then
|
|
httpd_is_ready && git web--browse -b "$browser" $url || echo $url
|
|
else
|
|
httpd_is_ready && git web--browse -c "instaweb.browser" $url || echo $url
|
|
fi
|